This policy brief by the OECD summarises the impacts of agricultural policy reforms over the last two decades on agricultural production.

Since the mid-1980s, a major trend in global agricultural policy reform has been the reduction or removal of policies that interfere with agricultural production decisions. Examples of such policies include tariffs and export subsidies.

This brief examines the impact of these reforms on agricultural production, covering issues including:

- How do support policies affect production?
- Do market effects vary between support policies?
- What about conditions and constraints?
- How significant are risk-related effects?
- What are the implications of dynamic effects?
- What can be done to improve decoupling?

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